Polyethylene 2,5-furandicarboxylate
Product Overview
Polyethylene 2,5-furandicarboxylate (PEF), also known as poly(ethylene 2,5-furandicarboxylate) or polyethylene furanoate, CAS 28728-19-0, is a bio-based polyester supplied as light yellow to white granules for polymerization and advanced materials applications.
Technical Specifications
This grade shows intrinsic viscosity (IV) 0.6–0.75 dL/g and diethylene glycol (DEG) 1.5–3.0%. Color metrics (b < 10, a < 3, L 40–60), low ash (≤0.1%), and clean sensory characteristics support high-quality processing.
| Property | Unit | Value | Standard |
|---|---|---|---|
| Viscosity IV | dL/g | 0.69 | 0.6-0.75 |
| Diethylene glycol (DEG) | % | 1.7 | 1.5-3.0 |
| Color b value | - | 2.6 | <10 |
| Color a value | - | 0.91 | <3 |
| Color L value | - | 50.3 | 40-60 |
| Appearance | - | Conforms | Light yellow to white granules |
| Sensory | - | Odorless, no foreign matter | Odorless, no foreign matter |
| Ash | % | 0.03 | <=0.1 |
Applications
PEF is studied and commercialized as a renewable alternative to poly(ethylene terephthalate) (PET) for packaging, films, and fibers; the furan-based polyester backbone is associated with strong gas-barrier performance versus PET in many studies, supporting shelf-life–sensitive containers and barrier structures.
Packaging & Storage
Typical pack size 100 kg.
Store in cool, dry conditions.
Protect from moisture.
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